... *5*5cm weight:0.2kg/pc Portable Music Angel nimi Speaker bluetooth speaker When use USB power. LINE IN: audio input. OFF/ON ... searched, choose MUSIC ANGEL, put in matched code 0000, connect Bluetooth, return to the menu, operate to play music.2, For ... tooth adaptor, bluetooth player… The key- presses can not work while using LINE IN. Portable Music Angel mini Speaker bluetooth speaker support TF card ...